20212821041

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{57991}}^1$

素因数の和:58145

約数の個数: 32

約数和(自身を含む): 25553594880

約数和(自身を除く): 5340773839

約数列:

[1, 7, 17, 29, 101, 119, 203, 493, 707, 1717, 2929, 3451, 12019, 20503, 49793, 57991, 348551, 405937, 985847, 1681739, 5857091, 6900929, 11772173, 28589563, 40999637, 99570547, 169855639, 200126941, 696993829, 1188989473, 2887545863, 20212821041]

約数ペア:

[(1, 20212821041), (7, 2887545863), (17, 1188989473), (29, 696993829), (101, 200126941), (119, 169855639), (203, 99570547), (493, 40999637), (707, 28589563), (1717, 11772173), (2929, 6900929), (3451, 5857091), (12019, 1681739), (20503, 985847), (49793, 405937), (57991, 348551)]